A surreal architectural proposal would encase the world's tallest skyscraper in a fabric sheath.
Google takes its cameras to a street of the vertical variety.
"We could do at least a mile and probably quite a bit more."
Could you be so calm hanging off the pinnacle of Dubai's Burj Khalifa?
An elevated walkway will connect the world's tallest skyscraper with the city's metro system
The average height of towers is climbing — but how high is too high?